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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共45条记录   Phosphine-Catalyzed Synthesis of 3,3-Spirocyclopenteneoxindoles from gamma-Substituted Allenoates: Systematic Studies and Targeted Applications [作者：GOMEZ CATHERINE; GICQUEL MAXIME; CARRY JEANCHRISTOPHE; SCHIO LAURENT; RETAILLEAU PASCAL; VOITURIEZ ARNAUD; MARINETTI ANGELA,期刊：Journal of Organic Chemistry, 页码：1488-1496 , 文章类型： Article，,卷期：2013年78-4] The phosphine-promoted [3 + 2] cyclizations between gamma-substituted allenoates and arylideneoxindoles have been applied to the stereoselective synthesis of spiro(cyclopentene)oxindoles with trisubstituted cyclopentene ... 3-Fluoro-4-hexylthiophene as a Building Block for Tuning the Electronic Properties of Conjugated Polythiophenes [作者：GOHIER FREDERIC; FRERE PIERRE; RONCALI JEAN,期刊：Journal of Organic Chemistry, 页码：1497-1503 , 文章类型： Article，,卷期：2013年78-4] 3-Fluoro-4-hexylthiophene has been prepared by a synthetic route involving perbromination of 3-hexylthiophene followed by protection of the 2- and 5-positions of thiophene by trimethylsilyl groups and bromine/fluorine ex... H-1 NMR Chemical Shifts of Cyclopropane and Cyclobutane: A Theoretical Study [作者：BARANACSTOJANOVIC MARIJA; STOJANOVIC MILOVAN,期刊：Journal of Organic Chemistry, 页码：1504-1507 , 文章类型： Article，,卷期：2013年78-4] This study was undertaken in order to rationalize the peculiar H-1 NMR chemical shifts of cyclopropane (delta 0.22) and cyclobutane (delta 1.98) which are shifted upfield and downfield with respect to larger cycloalkanes... C-Alkylation of Chiral Tropane- and Homotropane-Derived Enamines [作者：HODGSON DAVID M; CHARLTON ANDREW; PATON ROBERT S; THOMPSON AMBER L,期刊：Journal of Organic Chemistry, 页码：1508-1518 , 文章类型： Article，,卷期：2013年78-4] The synthesis and alkylation of chiral, non-racemic tropane- and homotropane-derived enamines is examined as an approach to enantioenriched alpha-alkylated aldehydes. The two bicyclic N auxiliaries, which differ by a sin... Total Synthesis of (-)-Isoavenaciolide [作者：SANTOS DAVID; ARIZA XAVIER; GARCIA JORDI; LLOYDWILLIAMS PAUL; MARTINEZLAPORTA AGUSTIN; SANCHEZ CAROLINA,期刊：Journal of Organic Chemistry, 页码：1519-1524 , 文章类型： Article，,卷期：2013年78-4] An enantioselective approach to (-)-isoavenaciolide was achieved starting from 1-undecyn-3-ol. The synthesis relied upon the preparation of a chiral 4-silyloxy-2-alkenylborane by hydroboration of a protected 2,3-allenol ... Chemoenzymatic Asymmetric Synthesis of Pregabalin Precursors via Asymmetric Bioreduction of beta-Cyanoacrylate Esters Using Ene-Reductases [作者：WINKLER CHRISTOPH K; CLAY DORINA; DAVIES SIMON; ONEILL PAT; MCDAID PAUL; DEBARGE SEBASTIEN; STEFLIK JEREMY; KARMILOWICZ MIKE; WONG JOHN W; FABER KURT,期刊：Journal of Organic Chemistry, 页码：1525-1533 , 文章类型： Article，,卷期：2013年78-4] The asymmetric bioreduction of a library of beta-cyanoacrylate esters using ene-reductases was studied with the aim to provide a biocatalytic route to precursors for GABA analogues, such as pregabalin. The stereochemical... Synthesis of Perspicamide A and Related Diverse Analogues: Their Bioevaluation as Potent Antileishmanial Agents [作者：PANDEY ANAND KUMAR; SHARMA RASHMI; SHIVAHARE RAHUL; ARORA ASHISH; RASTOGI NEERAJ; GUPTA SUMAN; CHAUHAN PREM M S,期刊：Journal of Organic Chemistry, 页码：1534-1546 , 文章类型： Article，,卷期：2013年78-4] The first protocol for the synthesis of perspicamide A and related diverse analogues has been developed from economical and readily available starting materials. Furthermore, a few synthesized analogues, 24a, 246, 24c, 2... Synthesis of alpha-Alkylated beta-Ketoesters by Alkoxycarbonylation/Michael Addition Domino Reaction [作者：WAHL BENOIT; PHILIPSON YANN; BONIN HELENE; MORTREUX ANDRE; SAUTHIER MATHIEU,期刊：Journal of Organic Chemistry, 页码：1547-1552 , 文章类型： Article，,卷期：2013年78-4] The palladium-catalyzed alkoxycarbonylation of an alpha-chloro ketone can be efficiently combined to a Michael addition reaction in a new two-step domino reaction, allowing the synthesis of original highly functionalized... Role of Equilibrium Associations on the Hydrogen Atom Transfer from the Triethylborane-Methanol Complex [作者：POVIE GUILLAUME; MARZORATI MATTIA; BIGLER PETER; RENAUD PHILIPPE,期刊：Journal of Organic Chemistry, 页码：1553-1558 , 文章类型： Article，,卷期：2013年78-4] The triethylborane-methanol system used in radical deoxygenation and dehalogenation processes has been investigated. Unambiguous evidence for the formation of a complex between triethylborane and methanol is provided. It... Achieving Control over the Branched/Linear Selectivity in Palladium-Catalyzed Allylic Amination [作者：DUBOVYK IGOR; WATSON IAIN D G; YUDIN ANDREI K,期刊：Journal of Organic Chemistry, 页码：1559-1575 , 文章类型： Article，,卷期：2013年78-4] Palladium-catalyzed reaction of unsymmetrical allylic electrophiles with amines gives rise to regioisomeric allylic amines. We have found that linear products result from the thermodynamically controlled isomerization of... Mechanisms and Transition States of 1,3-Dipolar Cycloadditions of Phenyl Azide with Enamines: A Computational Analysis [作者：LOPEZ STEVEN A; MUNK MORTON E; HOUK K N,期刊：Journal of Organic Chemistry, 页码：1576-1582 , 文章类型： Article，,卷期：2013年78-4] The transition structures for the 1,3-dipolar cycloadditions of phenyl azide to enamines derived from acetophenone or phenylacetaldehyde and piperidine, morpholine, or pyrrolidine were located using quantum mechanical me... Vinylogous Reactivity of Enol Diazoacetates with Donor-Acceptor Substituted Hydrazones. Synthesis of Substituted Pyrazole Derivatives [作者：XU XINFANG; ZAVALIJ PETER Y; HU WENHAO; DOYLE MICHAEL P,期刊：Journal of Organic Chemistry, 页码：1583-1588 , 文章类型： Article，,卷期：2013年78-4] A regiospecific synthesis of multifunctional pyrazoles has been developed from a cascade process triggered by Rh(II)-catalyzed dinitrogen extrusion from enol diazoacetates with vinylogous nucleophilic addition followed b... Theoretical Support for the Involvement of a Radical Pathway in the Formation of Allenylzincs from Propargyl Iodides and Dialkylzincs: Influence of Zinc Coordination [作者：JAMMI SURIBABU; MOUYSSET DOMINIQUE; SIRI DIDIER; BERTRAND MICHELE P; FERAY LAURENCE,期刊：Journal of Organic Chemistry, 页码：1589-1603 , 文章类型： Article，,卷期：2013年78-4] Propargyl iodides are good precursors for allenyl-zincs via reaction with diethylzinc, even in nondegassed medium. These reactions proceed via zinc/iodine exchange. Owing to the previously reported detection of propargyl... Cu-Catalyzed Selective Mono-N-pyridylation: Direct Access to 2-AminoDMAP/Sulfonamides as Bifunctional Organocatalysts [作者：ISIK MURAT; TANYELI CIHANGIR,期刊：Journal of Organic Chemistry, 页码：1604-1611 , 文章类型： Article，,卷期：2013年78-4] Direct and selective mono-N-pyridylation of trans-(R,R)-cyclohexane-1,2-diamine is described here. Facile preparation of a novel chiral 2-aminoDMAP core catalaphore via Cu catalysis has led to the development of various ... Synthesis and Optical and Electronic Properties of Core-Modified 21,23-Dithiaporphyrins [作者：BROMBY ASHLEY D; JANSONIUS RYAN P; SUTHERLAND TODD C,期刊：Journal of Organic Chemistry, 页码：1612-1620 , 文章类型： Article，,卷期：2013年78-4] Core-modified 21,23-dithiaporphyrins, meso-substituted with both electron-withdrawing 4-phenylcarboxylic acids and related butyl esters, and electron-donating phenyl-dodecyl ethers were synthesized. The porphyrins displa... A DFT Study of the [3+2] versus [4+2] Cycloaddition Reactions of 1,5,6-Trimethylpyrazinium-3-olate with Methyl Methacrylate [作者：DOMINGO LUIS R; SAEZ JOSE A; JOULE JOHN A; RHYMAN LYDIA; RAMASAMI PONNADURAI,期刊：Journal of Organic Chemistry, 页码：1621-1629 , 文章类型： Article，,卷期：2013年78-4] The reaction between 1,5,6-trimethylpyrazinium-3-olate and methyl methacrylate (MMA) yielding a lactone-lactam has been studied using the DFT method at the B3LYP/6-31G(d) level. It is concluded that formation of the lact...